preallocate_pmds 430 arch/x86/mm/pgtable.c if (preallocate_pmds(mm, pmds, PREALLOCATED_PMDS) != 0) preallocate_pmds 433 arch/x86/mm/pgtable.c if (preallocate_pmds(mm, u_pmds, PREALLOCATED_USER_PMDS) != 0)